Home / 39,983.96-59,975.92-11,903.88

Finding the Fourth Proportional to 39,983.96, 59,975.92 and 11,903.88

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Solution

The fourth proportional to 39,983.96, 59,975.92 and 11,903.88 is: 17,855.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,983.96 : 59,975.92 = 11,903.88 : x
  2. Step 2: Convert to fraction form
    39,983.96/59,975.92 = 11,903.88/x
  3. Step 3: Cross multiply
    39,983.96x = 59,975.92 × 11,903.88
  4. Step 4: Simplify right side
    39,983.96x = 713,946,154.57
  5. Step 5: Solve for x
    x = 713,946,154.57/39,983.96
  6. Step 6: Final answer
    x = 17,855.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.